Homophone's

 Homophones are words that sound that same like There,Their and They're.Their is for  when you say that the children ate their cakes

quickly.  There is when you say "Who left that bag there ?. They're is when you say " No! they're a waste of money!" 

Here is link to a song https://www.youtube.com/watch?v=G45RQ5b4W78&safe=active